org.simantics.g3d/src/org/simantics/proconf/g3d/views/SinglePageResourceView.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007- VTT Technical Research Centre of Finland.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.proconf.g3d.views;\r
  12 \r
  13 import org.eclipse.jface.viewers.ISelection;\r
  14 import org.eclipse.swt.layout.GridData;\r
  15 import org.eclipse.swt.layout.GridLayout;\r
  16 import org.eclipse.swt.widgets.Composite;\r
  17 import org.eclipse.swt.widgets.Control;\r
  18 import org.eclipse.ui.ISelectionListener;\r
  19 import org.eclipse.ui.IWorkbenchPart;\r
  20 import org.eclipse.ui.forms.events.ExpansionAdapter;\r
  21 import org.eclipse.ui.forms.events.ExpansionEvent;\r
  22 import org.eclipse.ui.forms.widgets.FormToolkit;\r
  23 import org.eclipse.ui.forms.widgets.ScrolledForm;\r
  24 import org.eclipse.ui.forms.widgets.Section;\r
  25 import org.simantics.proconf.ui.workbench.GraphAccessViewPart;\r
  26 import org.simantics.utils.ui.jface.BaseSelectionProvider;\r
  27 \r
  28 public abstract class SinglePageResourceView extends GraphAccessViewPart{\r
  29         protected Composite parent;\r
  30         private ScrolledForm form;\r
  31         private BaseSelectionProvider defaultInputSelectionProvider = new BaseSelectionProvider();\r
  32         protected FormToolkit toolkit;\r
  33         protected ISelectionListener pageSelectionListener;\r
  34         \r
  35         @Override\r
  36         public void createPartControl(Composite parent) {\r
  37                 super.createPartControl(parent);\r
  38                 this.parent = parent;\r
  39 \r
  40                 toolkit = new FormToolkit(parent.getDisplay());\r
  41                 form = getToolkit().createScrolledForm(parent);\r
  42 \r
  43                 GridLayout layout = new GridLayout(2, false);\r
  44                 form.getBody().setLayout(layout);\r
  45                 form.getBody().setLayoutData(\r
  46                                 new GridData(GridData.FILL, GridData.FILL, true, true));\r
  47 \r
  48                 getViewSite().setSelectionProvider(defaultInputSelectionProvider);\r
  49 \r
  50                 // createWidgets();\r
  51 \r
  52                 form.setText(getFormText());\r
  53 \r
  54                 hookPageSelection();\r
  55 \r
  56         }\r
  57         \r
  58         \r
  59     /**\r
  60      * Receives selection changes\r
  61      * \r
  62      * @param part\r
  63      * @param selection\r
  64      */\r
  65     protected void pageSelectionChanged(IWorkbenchPart part, ISelection selection) {\r
  66         \r
  67     }\r
  68         \r
  69         \r
  70         \r
  71         \r
  72         \r
  73         protected abstract String getFormText();\r
  74         \r
  75         protected abstract void createWidgets();\r
  76         \r
  77         @Override\r
  78         public void setFocus() {\r
  79                 //System.out.println("FormTypeEditorBase.setFocus(): Input = " + getInput());\r
  80                 ScrolledForm form = getActiveForm();\r
  81                 if (form != null) {\r
  82                         form.setFocus();\r
  83                 }\r
  84         }\r
  85         \r
  86         public FormToolkit getToolkit() {\r
  87                 return toolkit;\r
  88         }\r
  89         \r
  90         public ScrolledForm getActiveForm() {\r
  91                 return form;\r
  92         }\r
  93         \r
  94         public void clearForm() {\r
  95                 for (Control c : form.getBody().getChildren())\r
  96                         c.dispose();\r
  97                 \r
  98         }\r
  99         \r
 100         protected Composite getBody() {\r
 101         return form.getBody();\r
 102     }\r
 103         \r
 104         public Composite newGridSection(\r
 105             int formColumns,\r
 106             int childColumns,\r
 107             boolean equalWidth,\r
 108             boolean grabVertical,\r
 109             String text,\r
 110             String description) \r
 111     {\r
 112         return newGridSection(getBody(), formColumns, childColumns, equalWidth, grabVertical, text, description);\r
 113     }\r
 114 \r
 115     public Composite newGridSection(\r
 116             Composite parent,\r
 117             int formColumns,\r
 118             int childColumns,\r
 119             boolean equalWidth,\r
 120             boolean grabVertical,\r
 121             String text,\r
 122             String description)\r
 123     {\r
 124         FormToolkit toolkit = getToolkit();\r
 125         \r
 126         Section section = toolkit.createSection(parent,\r
 127                 Section.DESCRIPTION | Section.TWISTIE | Section.TITLE_BAR | Section.EXPANDED);\r
 128         section.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, grabVertical, formColumns, 1));\r
 129         section.addExpansionListener(new ExpansionAdapter() {\r
 130             public void expansionStateChanged(ExpansionEvent e) {\r
 131                 //System.out.println("SinglePageTypeEditor: expansionStateChanged " + e);\r
 132                 //reflow(true);\r
 133             }\r
 134         });\r
 135         section.setText(text);\r
 136         section.setDescription(description);\r
 137         Composite sectionClient = toolkit.createComposite(section);\r
 138         sectionClient.setLayout(new GridLayout(childColumns, equalWidth));\r
 139         sectionClient.setLayoutData(new GridData());\r
 140         section.setClient(sectionClient);\r
 141         return sectionClient;\r
 142     }\r
 143     \r
 144     public void dispose() {\r
 145         if (pageSelectionListener != null)\r
 146             getSite().getPage().removePostSelectionListener(pageSelectionListener);\r
 147     \r
 148         super.dispose();\r
 149     }\r
 150     \r
 151     private void hookPageSelection() {\r
 152         pageSelectionListener = new ISelectionListener() {\r
 153             public void selectionChanged(IWorkbenchPart part, ISelection selection) {\r
 154                 if (part == SinglePageResourceView.this)\r
 155                     return;\r
 156                 pageSelectionChanged(part, selection);\r
 157             }\r
 158         };\r
 159         getSite().getPage().addPostSelectionListener(pageSelectionListener);\r
 160         ISelection sel = getSite().getPage().getSelection();\r
 161         IWorkbenchPart wb = getSite().getPage().getActivePart();\r
 162         pageSelectionChanged(wb, sel);\r
 163     }\r
 164     \r
 165 }\r